Re: How difficult is it to break the OpenPGP 40 character long fingerprint?

2013-06-03 Thread Melvin Carvalho
On 1 April 2013 19:46, Daniel Kahn Gillmor wrote: > On 04/01/2013 12:24 PM, adrelanos wrote: > > > gpg uses only(?) 40 chars for the fingerprint. > > (I mean the output of: gpg --fingerprint --keyid-format long.) > > this is a 160-bit SHA-1 digest of the public key material and the > creation dat

Separate OpenPGP cards for master key and sub-keys

2013-06-03 Thread Branko Majic
Hello all, I'm looking into setting myself up with some OpenPGP cards, and I'm looking into some opinions on using separate OpenPGP card for the master key and sub-keys vs using a single OpenPGP card. The idea behind this would be that my master OpenPGP card would be kept in a safe area (hidden c

Re: Separate OpenPGP cards for master key and sub-keys

2013-06-03 Thread Pete Stephenson
On Mon, Jun 3, 2013 at 5:41 AM, Branko Majic wrote: > Hello all, > > I'm looking into setting myself up with some OpenPGP cards, and I'm > looking into some opinions on using separate OpenPGP card for the > master key and sub-keys vs using a single OpenPGP card. > > The idea behind this would be t

Re: How difficult is it to break the OpenPGP 40 character long fingerprint?

2013-06-03 Thread Daniel Kahn Gillmor
On 06/03/2013 08:04 AM, Melvin Carvalho wrote: > Bitcoin is essentially a ledger where you have an array of fingerprints > (160 bit hashes of a public key) and a value (number of coins in wallet). i thought that bitcoin didn't hash the public keys at all, but rather used the full elliptic curve p

Re: Separate OpenPGP cards for master key and sub-keys

2013-06-03 Thread Mustrum
I already moved my subkeys to one cryptostick. When i tried to move the primary key (4096 RSA) to another stick i got: >gpg> keytocard >Really move the primary key? (y/N) y >Signature key : [none] >Encryption key: [none] >Authentication key: [none] >Please select where to store the key: >

Re: Separate OpenPGP cards for master key and sub-keys

2013-06-03 Thread Pete Stephenson
On Mon, Jun 3, 2013 at 11:10 AM, Mustrum wrote: > I already moved my subkeys to one cryptostick. > When i tried to move the primary key (4096 RSA) to another stick i got: > >>gpg> keytocard >>Really move the primary key? (y/N) y >>Signature key : [none] >>Encryption key: [none] >>Authentic